How mush dissolved oxygen is ok/ needed?
>>Aaaahh.. now we’re getting back into that chemistry my son has been throwing at me! I really wouldn’t worry about the situation unless you’re seeing fish demonstrating symptoms of Gas Bubble Disease. Do a Google search (I’ve also just learned of http://www.googlism.com –haven’t used it yet, but what the hay) and you’ll get *many* hits. Here’s a really useful one I just found–> http://www.reefs.org/library/article/cripes_kowalski_phipps.html >Much thanks, Greg >>Quite welcome, Marina.
